6.3431 Through the whole logical apparatus, throughout the physical laws still speak of the objects of the world.
Huh? Maybe I should leave “throughout” out, or else move it to the very end. Wittgenstein (Letters to Ogden p. 35) says the first “through” means the same as in “I speak through a tube.” So Pears and McGuinness seem quite wrong this time. (They have "The laws of physics, with all their logical apparatus, still speak, however indirectly, about the objects of the world.") How about: "Via the whole logical apparatus, the physical laws still speak throughout of the objects of the world."?
Black (p. 361) suggests that this comment “Can be read as a summary comment on 6.342 (2).”